Re: [RFC/PATCH] connect: add GIT_SSH_{SEND,RECEIVE}{,_COMMAND} env variables

> I get that you may have two different keys to go with two different
> identities on a remote system. But I'm not sure I understand why
> "sending" or "receiving" is the right way to split those up. Wouldn't
> you also sometimes want to fetch from repository X? IOW, wouldn't you
> want to tie identity "A" to repository "X", and "B" to repository "Y?
>
>> So now I just have a GIT_SSH_COMMAND that dispatches to different keys
>> depending on the operation, as noted in the commit message, and I can
>> assure you that without that logic it doesn't work.
>
> You mentioned host aliases later, which is the solution I've seen in the
> wild. And then you can map each remote to a different host alias.